Thomson SSUPBO8 Super Smart Ball Bushing Open Pillow Block Bearing

Description:

The Thomson SSUPBO8 Super Smart Ball Bushing Open Pillow Block Bearing is used in precision linear motion systems to provide smooth, self-aligning motion on 0.500-inch (1/2-inch) precision shafts. Commonly installed in CNC machines, industrial automation equipment, robotics, packaging machinery, semiconductor equipment, and material handling systems, this open-style adjustable pillow block features a patented Super Smart Ball Bushing®, aluminum housing, and integral double-acting seals for continuously supported shaft applications. Maintenance teams and system integrators use this part for repair, retrofit, expansion, or replacement of supported round shaft linear guide systems.

Applications:

The Thomson SSUPBO8 is designed for continuously supported Class L round shaft applications requiring high load capacity, automatic self-alignment, and low-friction linear travel. It is commonly used in CNC routers, automated assembly equipment, robotics, semiconductor manufacturing, packaging machinery, inspection systems, medical equipment, and OEM automation where rigid shaft support and precise linear guidance are essential.

Technical Specifications:

• Manufacturer: Thomson Industries
• Manufacturer Part Number (MPN): SSUPBO8
• Product Type: Super Smart Ball Bushing Open Pillow Block Bearing
• Series: Super Smart Ball Bushing® (SSUPBO)
• Bearing Style: Open
• Bearing Configuration: Single Pillow Block
• Housing Material: Aluminum Alloy
• Bearing Type: Linear Ball Bushing
• Adjustable: Yes
• Self-Aligning: Yes
• Nominal Bore (ID): 0.500 in (12.70 mm)
• Compatible Shaft Class: Class L (Continuously Supported)
• Overall Length (B): 1.500 in (38.10 mm)
• Overall Width (A): 2.000 in (50.80 mm)
• Overall Height (H1): 1.130 in (28.70 mm)
• Center Shaft Height (H): 0.687 in (17.45 mm)
• Mounting Hole Spacing (E1): 1.688 in (42.88 mm)
• Secondary Hole Spacing (E2): 1.000 in (25.40 mm)
• Mounting Edge Distance (E): 0.310 in (7.87 mm)
• Base Thickness (F1): 0.250 in (6.35 mm)
• Mounting Hole Diameter (N): 0.160 in (4.06 mm)
• Lubrication Fitting: 1/8 in Alemite 1877
• Dynamic Load Capacity: 360 lbf (1,601 N)
• Maximum Operating Temperature: 85°C (185°F)
• Weight: 0.23 lb (0.104 kg)
• Roll Pack: No
• Food Grade Rated: No
• Corrosion Resistance: Standard (Not Corrosion Resistant)
• Features: Patented Super Smart Ball Bushing® technology, open design for supported shafts, adjustable preload, universal self-alignment, integral double-acting seals, smooth low-friction operation, high load capacity, quiet performance, and extended service life. 

Common Replacements:

• Thomson SSUPBO8-DP
• Thomson SSUPBO8-CR
• Thomson SSUPBO8-NBA